X-ray of a computer's motherboard

Imagine you have X-ray vision. Instead of seeing through walls, you can see the inner structure of programs, the bugs lying inside, and how to expose them. Anyone could execute the steps you gave them to reproduce the bugs. The difficulty in testing, then, is not in executing steps; it is figuring out what steps to take. How do you find those hidden bugs? We need to be the X-ray vision.

Original Article at Sticky Minds